Map of the St. Louis area showing the position and track of the aircraft described in the post.

🇺🇸 N716NK - Airbus A321 271NXSL - Spirit Airlines NKS477/NK477, Louis Armstrong New Orleans (MSY) to Chicago O'Hare (ORD) - 4.5 mi away @ 38775 ft, heading NNE at 491 mph. Spotted 4x before! [03:05:17 PM CDT] #A9938D #N716NK #A21N #SPIRIT_WINGS #NKS477 #NK477 #ADSB #ADSBbot

Map of the St. Louis area showing the position and track of the aircraft described in the post.

🇺🇸 N716NK - Airbus A321 271NXSL - Spirit Airlines NKS540/NK540, Chicago O'Hare (ORD) to Dallas-Fort Worth (DFW) - 4.1 mi away @ 34575 ft, heading SW at 422 mph. Spotted 3x before! [02:21:10 PM CST] #A9938D #N716NK #A21N #SPIRIT_WINGS #NKS540 #NK540 #ADSB #ADSBbot